1. Set the oven at 350 degrees. Butter an 8-inch square pan. 2. In a bowl, whisk the flour, baking powder, baking soda, and salt to blend them. 3. In another bowl, toss the blueberries with 1 teaspoon ...

1. Set the oven at 350 degrees. Butter an 8-inch square cake pan. Line the bottom and sides of the pan with parchment paper, leaving a 2-inch overhang on the sides. 2. Fill a saucepan with 2 inches of ...